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The line PQ whose equation is x-y = 2 cu...

The line PQ whose equation is x-y = 2 cuts the x-axis at P, and Q is (4,2). The line PQ is rotated about P through `45^(@)` in the anticlockwise direction. The equation of the line PQ in the new position is

A

`y=-sqrt(2)`

B

`y=2`

C

x=2

D

`x=-2`

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The correct Answer is:
C
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